====== Quaternions ======

<tabbox Intuitive> 

  * see https://plus.maths.org/content/os/issue32/features/baez/index
  * and the [[https://www.youtube.com/watch?v=d4EgbgTm0Bg&feature=youtu.be|excellent video on Quaternions]] by 3Blue1Brown
  * [[https://www.quantamagazine.org/the-strange-numbers-that-birthed-modern-algebra-20180906/|The Strange Numbers That Birthed Modern Algebra]] by Charlie Wood in Quanta Magazine.
  
<tabbox Concrete> 

<note tip>
In this section things should be explained by analogy and with pictures and, if necessary, some formulas.
</note>
 
<tabbox Abstract> 

<note tip>
The motto in this section is: //the higher the level of abstraction, the better//.
</note>

<tabbox Why is it interesting?>   

/*<tabbox FAQ>*/ 

/*<tabbox History>*/ 

</tabbox>